Compared to traditional lithium-ion batteries, solid-state batteries are an emerging battery technology still under development. Their superior performance and vast potential have garnered increasing attention, attracting many manufacturers to invest in the research and development of this technology. So, who are the top 10 solid-state battery companies? Let’s take a look.
Top 10 Solid State Battery Companies
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QuantumScape
QuantumScape, founded in 2010 and headquartered in California, USA, is dedicated to developing solid-state lithium metal batteries for electric vehicles. The company has achieved two major innovations: the “anode-free architecture” and the proprietary solid-state ceramic separator. QuantumScape’s solid-state batteries use lithium metal as the anode, which results in higher energy density, faster charging speeds, and greater safety, while also simplifying battery design and reducing material costs.
QuantumScape’s goal is to revolutionize energy storage, reduce carbon emissions, and promote sustainable energy development.
In 2018, Volkswagen invested $100 million in QuantumScape for the development of solid-state batteries.
In 2020, QuantumScape, which holds numerous patents for solid-state battery technology, went public.
In 2022, QuantumScape announced a collaboration with Fluence to integrate its battery technology into stationary energy storage products. In the same year, QuantumScape delivered its first 24-layer prototype lithium metal battery cells to automotive OEMs.
In 2024, QuantumScape began delivering Alpha-2 prototypes to customers.
https://www.quantumscape.com/
Solid Power
Solid Power was established in 2012 and is headquartered in Louisville, Colorado, USA. It focuses on developing and manufacturing all solid state batteries with higher energy density, longer lifespan, and better safety performance. Solid Power’s batteries use sulfide solid electrolytes, which provide excellent performance in terms of conductivity and stability, while also enhancing overall performance.
In 2017, Solid Power established a partnership with BMW to jointly develop next-generation solid-state battery technology.
In 2018, Solid Power’s Series A financing received support from investors such as Ford, A123, and Samsung Ventures.
In 2019, Solid Power announced a collaboration with Ford to co-develop solid-state battery technology.
In 2020, Solid Power delivered its first-generation 2Ah all-solid-state battery, achieving an energy density of 320Wh/kg.
In 2021, SKI invested $30 million in Solid Power to develop all-solid-state batteries with an energy density of at least 930Wh/L.
In 2021, Solid Power’s Series B financing received $130 million in investments led by BMW and Ford, and the company went public in the same year.
In 2022, Solid Power announced the completion of its battery pilot production line and delivered its first batch of 100Ah silicon anode solid-state batteries for prototype vehicle testing as planned.
In October 2023, Solid Power successfully delivered A-1 samples of solid-state batteries to BMW, officially initiating the automotive qualification process.
In 2024, Solid Power plans to advance its all-solid-state cell design to the A-2 sample stage, continuing to produce safer and higher-performing solid-state batteries.
https://solidpowerbattery.com/
Welion New Energy
Welion New Energy is a new energy company established in 2016 and headquartered in Beijing. Welion focuses on the research, development, and production of hybrid solid-liquid electrolyte lithium-ion batteries and all solid state lithium batteries, breaking through technical bottlenecks and obtaining a series of core patents.
Its core technologies include mastering composite lithium metal technology, in-situ solidification technology, solid-state electrolytes, ion-conductive membrane technology, three-dimensional current collector technology, atomic-level bonding technology, new battery equipment, and more.
Welion’s solid-state batteries feature high energy density, high safety performance, high power, wide temperature range, and long lifespan. Its products are applied in the fields of electric vehicles, consumer electronics, and energy storage systems.
Welion has four major bases in Beijing, Jiangsu, Zhejiang, and Shandong, with a planned production capacity exceeding 100GWh. On June 30, 2023, Welion delivered semi-solid lithium battery products with an energy density of 360Wh/kg and a single-charge range of over 1000km to NIO.
Additionally, Welion has received multiple rounds of financing support from Xiaomi, GAC, Huawei, and others to accelerate research and development and expand production capacity.
http://www.solidstatelion.com/
QingTao
Kunshan QingTao Energy Development Co., Ltd. was established in 2014 and is headquartered in Kunshan, Jiangsu Province, China. QingTao’s core strategy is the industrialization of solid-state lithium batteries. It continuously improves its industrial layout and has established a complete industrial ecosystem that includes new energy materials, solid-state lithium batteries, automated equipment, comprehensive utilization of lithium battery resources, incubation of scientific research results, and industrial investment.
QingTao was the first to achieve the industrialization of solid-state lithium batteries, and it has built China’s first solid-state lithium battery production line and the world’s first mass production line for solid-state power lithium batteries.
QingTao’s solid-state lithium batteries fundamentally solve the safety issues of lithium batteries and have advantages such as high energy density and controllable cost. They have been successfully applied in fields such as new energy vehicles and special energy storage. The company holds 160 invention patents.
Additionally, QingTao has received strategic investments from institutions such as BAIC, SAIC, GAC, China Bank Investment, and Shanghai Science and Technology Innovation, currently valuing the company at over 20 billion yuan.
http://www.jsqingtao.com/
Ampcera
Ampcera was established in 2017 and is headquartered in Arizona, USA. It focuses on developing and manufacturing advanced materials for solid-state batteries and other high-performance battery applications, such as solid electrolytes, cathode materials, and anode materials. Its solid-state batteries offer advantages of higher energy density, faster charging speed, greater safety, long-term stability, and lower cost.
In February 2021, Ampcera announced that its all-solid-state battery (ASSB) could quickly charge from 0 to 80% in 15 minutes at a peak charge/discharge rate of 4C.
In December 2022, Ampcera announced the completion of a $15 million Series A financing round led by Hanwha Solutions, which is expected to expand the production scale of sulfide-based solid electrolyte materials.
In January 2023, Ampcera announced it had received a $2.1 million grant from the U.S. Department of Energy’s Advanced Research Projects Agency-Energy to develop more affordable, convenient, efficient, and resilient electric vehicle batteries.
https://ampcera.com/
ProLigium Technology
ProLigium, established in 2006 and headquartered in Taiwan, is an energy company that focuses on solid-state battery technology. As one of the pioneers in the field of battery technology, ProLigium has not only invested significant resources in research and development but also holds numerous patents covering various aspects from materials to manufacturing processes.
The solid-state batteries produced by ProLigium feature high energy density, long lifespan, and excellent safety performance. They are primarily used in electric vehicles, consumer electronics, and energy storage systems. ProLigium Technology has launched multiple pilot projects and has become the world’s only manufacturer to achieve mass production of solid-state batteries.
https://prologium.com/
Factorial
Factorial was established in 2016 and is headquartered in Massachusetts, USA. Its core technology is also solid-state batteries, and it has obtained a patent for FEST technology. This patent can significantly improve the performance and safety of batteries.
To meet the future market demand for high-performance solid-state batteries, Factorial has established strategic partnerships with several global leading automakers, such as Mercedes-Benz and Hyundai Motor. In 2024, it delivered the first batch of 106+Ah solid-state battery B samples to Mercedes-Benz.
With technological innovation and the rapid growth of the electric vehicle and energy storage markets, Factorial’s solid-state battery technology has increasingly broad commercial prospects.
https://factorialenergy.com/
SES
SES AI Corporation was established in 2012 and is headquartered in Boston, Massachusetts, USA. It is also the only lithium metal battery company to have signed three major joint development agreements with the world’s largest automakers: General Motors, Honda, and Hyundai. SES focuses on developing high-density batteries needed for electric vehicles and high-performance applications, and it has launched the world’s first large-size 100Ah lithium metal battery.
SES employs a hybrid lithium metal and artificial intelligence battery health monitoring algorithm, using lithium metal as the anode to reduce battery weight. This creates lithium metal batteries with energy densities of up to 400Wh/kg and 1000Wh/L, providing longer driving ranges for electric vehicles and eVTOLs.
https://ses.ai/
TDK
TDK, established in 1935 and headquartered in Tokyo, Japan, is a globally renowned manufacturer of electronic components. At the same time, TDK is actively developing solid-state batteries, focusing on oxide-based solid electrolytes and lithium alloy anodes.
In 2024, TDK announced the successful development of a new generation of solid-state battery materials with an energy density of 1000Wh/L, which is 100 times that of traditional batteries. This small solid-state battery, although compact, can output powerful energy and can replace button batteries in portable electronic devices such as smartphones and smartwatches.
https://www.tdk.com/
Toyota
Toyota, established in 1937 and headquartered in Toyota City, Aichi Prefecture, Japan, is one of the world’s leading automakers.
Toyota is actively involved in the development of solid-state battery technology and adheres to the sulfide route. It has made significant progress in energy density and safety, and holds over 1,000 patents. In 2021, Toyota unveiled a concept car equipped with a solid-state battery prototype and plans to achieve full commercialization of solid-state batteries by 2030.
https://www.toyota.com/
Conclusion
The above information, compiled by Delong, lists the top 10 solid-state battery companies. We hope this information is helpful to you. For other well-known solid-state battery companies not listed here, we will gradually add them later.
As a lithium battery manufacturer, Delong also supplies solid-state batteries with higher energy density and better safety performance:
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